Competition for nutrients by rice and weeds
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Date
1986
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
Kerala Agricultural University
Abstract
In an experiment to study the crop weed competition for 3 major nutrients
in a short duration rice, carried out at the College of Agriculture, Vellayani, it
was found that in general competition for the three nutrients N, P and K was
severe between 21-40 days after transplanting. Weed removal during 21 -30 days
helped the crop to absorb more of the nutrients. The demand for the nutrients
was in the order of K> N> P by crop and weed. The nutrient uptake by weed
was negatively correlated with crop yield while the uptake by weed and crop
were also negatively correlated.
Description
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Citation
Agricultural Research Journal of Kerala, 24(1), 38-42.